Evaporation of a liquid at room temperature leads to a ………….. effect.
Anonymous Quiz
40%
Heating
43%
Cooling
14%
Both
4%
None
A mixture of two or more miscible liquids, for which the difference in the boiling points is less than 25 K can be separated by the process called ………….
Anonymous Quiz
40%
Fractional distillation
40%
Centrifugation
17%
Osmosis
2%
None
Speed is scalar quantity and velocity is ……………… quantity.
Anonymous Quiz
12%
Scaler
81%
Vector
6%
Both
2%
None
If speed of a body is continuously decreasing, the body is said to ……………
Anonymous Quiz
13%
Vector
60%
Retarding
20%
Displacement
7%
None
. In a chemical reaction, the sum of the masses of the reactants and products remain unchanged. This is called ……………
Anonymous Quiz
25%
Law of conservation of energy
56%
Law of conservation of mass
15%
Law of conservation of momentum
4%
Law of conservation of number
The combining power of an element is known as its …………
Anonymous Quiz
24%
Atomic mass
22%
Atomic number
47%
Valency
6%
No of electron
An atom or a group of atoms which carries positive or negative charge is called an …
Anonymous Poll
15%
Anion
18%
Cation
61%
Ion
6%
Nonev
The volume occupied by one mole of a gas under standard conditions of temperature and pressure is called ……………..
Anonymous Quiz
44%
Molar mass
19%
Molar ratio
32%
Molar volume
4%
Molar number
The number of atoms present in one molecule of the substance is called its ……………
Anonymous Quiz
34%
Valency
47%
Atomicity
15%
Polyatomic
4%
None
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Which of the following are covered by a single membrane?
Anonymous Quiz
34%
Mitochondria
38%
Vacoule
26%
Lysosome
2%
None
Which cell organelle plays a crucial role in detoxifring many poisons and drugs in a cell?
Anonymous Quiz
18%
Gogi apparatus
42%
Smooth endoplasmic recticulum
34%
Lysosome
7%
Vacoule